January 7, 2013
Lasers + Graphite = Maglev 'Air Hockey'
Phillip Broadwith, Chemistry World
A graphite disk levitating over a bed of rare earth permanent magnets can be ‘pushed’ around or made to spin using a laser beam, Japanese scientists have shown. The phenomenon can also be used to convert sunlight into movement, offering a possible alternative way to harness solar energy.
TAGGED: lasers, graphite, maglev